Ajout de champs custom fields à une taxonomie WordPress #2

<?php

require_once(get_template_directory() . '/inc/Tax-meta-class/Tax-meta-class.php');

if (is_admin()){

    $config = array(
        'id' => 'serie_metabox',
        'title' => 'Information sur cette série',
        'pages' => array('serie'),
        'context' => 'normal',
        'fields' => array(),
        'local_images' => true,
        'use_with_theme' => get_template_directory_uri() . '/inc/Tax-meta-class'
    );

    $serie_metabox =  new Tax_Meta_Class($config);

    $serie_metabox->addText(
        'difficulty',
        array(
            'name'=> 'Difficulté'
        )
    );

    $serie_metabox->addImage(
        'image',
        array(
            'name'=> 'Image'
        )
    );

    $serie_metabox->Finish();
}

?>